Home / 9,268.92-13,887.18-7,718.90

Finding the Fourth Proportional to 9,268.92, 13,887.18 and 7,718.90

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Solution

The fourth proportional to 9,268.92, 13,887.18 and 7,718.90 is: 11,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.92 : 13,887.18 = 7,718.90 : x
  2. Step 2: Convert to fraction form
    9,268.92/13,887.18 = 7,718.90/x
  3. Step 3: Cross multiply
    9,268.92x = 13,887.18 × 7,718.90
  4. Step 4: Simplify right side
    9,268.92x = 107,193,684.27
  5. Step 5: Solve for x
    x = 107,193,684.27/9,268.92
  6. Step 6: Final answer
    x = 11,564.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.